Knife rest



FIG. 1 is an isometric view of the knife rest or similar article showing my new design;

FIG. 2 is a top view thereof;

FIG. 3 is an end view thereof;

FIG. 4 is a side view thereof; the opposite side is symmetrical; and,

FIG. 5 is a bottom view thereof. 

The ornamental design for a knife rest, as shown and described. 